454555489 has 2 divisors, whose sum is σ = 454555490. Its totient is φ = 454555488.

The previous prime is 454555481. The next prime is 454555499. The reversal of 454555489 is 984555454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 103367889 = 18740^2 + 10167^2 .

It is a cyclic number.

It is not a de Polignac number, because 454555489 - 2³ = 454555481 is a prime.

It is not a weakly prime, because it can be changed into another prime (454555481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227277744 + 227277745.

It is an arithmetic number, because the mean of its divisors is an integer number (227277745).

Almost surely, 2^454555489 is an apocalyptic number.

It is an amenable number.

454555489 is a deficient number, since it is larger than the sum of its proper divisors (1).

454555489 is an equidigital number, since it uses as much as digits as its factorization.

454555489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880000, while the sum is 49.

The square root of 454555489 is about 21320.3069630810. The cubic root of 454555489 is about 768.8866176744.

The spelling of 454555489 in words is "four hundred fifty-four million, five hundred fifty-five thousand, four hundred eighty-nine".